Night Sky - When Lasers hit the Firmament [ 4K ]

Scientists claim that they are using the most powerful lasers in the world to project an artificial star in the mesosphere for telescopes. They claim that a very thin layer of sodium is excited to glow. The problem here : The laser stops abruptly at a barrier. This is not possible, no matter with which wavelength. Video Link [ Lene Hau ] : Lene Hau Quantum control of light and matter - from the macroscopic to the nanoscale Visit me on Telegram : ( Video and Image Downloads in Full Quality and Bitrate ) Youtube Channel : Youtube Backup Channel : Bitchute Channel :